The following publications are possibly variants of this publication:
- Extended RGB2Gray conversion model for efficient contrast preserving decolorizationQiegen Liu, Jiaojiao Xiong, Li Zhu, Minghui Zhang, Yuhao Wang. mta, 76(12):14055-14074, 2017. [doi]
- Contrast preserving image decolorization combining global features and local semantic featuresXiaoli Zhang, Shiguang Liu. vc, 34(6-8):1099-1108, 2018. [doi]
- Real-time contrast preserving decolorizationCewu Lu, Li Xu 0001, Jiaya Jia. siggrapha 2012: [doi]